Leg : 49 Top/Bottom Interval(mm): 0/ 350 Analyst: Zolotarev, B.
Hole: 411 Sample Midpoint (m) : 74.35
Core: 1 Top of Core Depth (m) : 74.00
Sect: 1 Top of Section Depth(m): 74.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (3-10), 2 (14-18), 3 (22-26), 4 (30-35);
Texture : APHYRIC,PCE 4 HAS ZONE OF FRESH GLASS,FINE-GRAINED;
Comments : GLASS MARGIN MAY BE A CONTACT BETWEEN FLOW UNITS OR
PILLOWS;
Vesicles : Size(mm): 0.2-0.5 Percent: 5
Location: Filling: SMEC
MOST VESICLES ARE EMPTY,SOME VESICLE WALLS PARTLY
LINED WITH WHITE-GRAY OR BLUE-GRAY MINERAL(SMEC?);
Phenocrysts: OLIVINE ( 1%)
Size(mm): 0.5
MICROPHENOS NOT MORE THAN 1MM;
Replacement: SMECTITE
ID SMEC UNCERTAIN;
Leg : 49 Top/Bottom Interval(mm): 350/ 970 Analyst: Zolotarev, B.
Hole: 411 Sample Midpoint (m) : 74.97
Core: 1 Top of Core Depth (m) : 74.00
Sect: 1 Top of Section Depth(m): 74.35
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 5 (39-45), 6 (49-55), 7 (59-65), 8A (69-78),
8B (79-86), 8C (89-97);
Texture : APHYRIC,FINE-GRAINED;
Alteration : SLIGHTLY
Vesicles : Size(mm): 0.5 Percent: 1
Location: Filling: SMEC,CALCITE
VESICLES PARTLY FILLED BY BLUE-WHITE MINERALS
(SMEC & CALCITE?);
Phenocrysts: PLAGIOCLASE
Size(mm): 1
RARE PLAG MICROPHENOS;
OLIVINE
Size(mm): 1-1.5
RARE OL MICROPHENOS,FRESH OL;
Replacement: SMECTITE
CALCITE
ID SMEC & CALCITE UNCERTAIN;
Leg : 49 Top/Bottom Interval(mm): 0/1500 Analyst: Zolotarev, B.
Hole: 411 Sample Midpoint (m) : 83.00
Core: 2 Top of Core Depth (m) : 81.50
Sect: 1 Top of Section Depth(m): 81.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (2-6), 2 (9-13), 3 (16-24), 4 (26-33),
5 (36-40), 6 (44-48), 7A (51-57), 7B (56-65),
8 (69-72), 9 (75-78), 10A (82-86), 10B (85-95),
11 (98-106), 12 (109-117), 13 (120-128),
14 (130-140), 15 (143-148);
Texture : APHYRIC,PCE 1 HAS GLASS ZONE,FINE-GRAINED;
Structure : SOME PCES HAVE CRACKS;
Alteration : SLIGHTLY
BASALT NEAR CRACKS MORE ALTERED;
Vesicles : Size(mm): 0.1-0.5 Percent: 5
Location: Filling: SMEC
PCES 3-6+10B,SOME VESICLES PARTLY FILLED BY GREEN-
GRAY & BLUE-GRAY MINERALS(SMEC?);
Size(mm): 0.1-0.5 Percent: 0.5-1
Location: Filling: SMEC
REMAINING PCES,VESICLES DISTRIBUTED UNEVENLY;
Phenocrysts: COMBINATION ( 1%)
Size(mm): 0.5
PLAG & OL,RARE MICROPHENOS UP TO 1MM;
Replacement: SMECTITE
ID SMEC UNCERTAIN;
Leg : 49 Top/Bottom Interval(mm): 0/ 270 Analyst: Zolotarev, B.
Hole: 411 Sample Midpoint (m) : 83.27
Core: 2 Top of Core Depth (m) : 81.50
Sect: 2 Top of Section Depth(m): 83.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (4-18), 2 (21-27);
Structure : PCE 2 MAY BE A MARGIN BETWEEN FLOW UNITS;
Texture : APHYRIC,PCE 1 IS HOLOCRYSTALLINE AND HAS INTERSERTAL
TEXTURE, PCE 2 HAS A DARK GLASS ZONE, FINE-GRAINED;
Vesicles : Size(mm): 0.1-0.5 Percent: 5
IN PCE 2;
Phenocrysts: COMBINATION ( <1%)
Size(mm): 0.5
INCLUDES PLAG + OL IN PCE 1, LARGE OL MICROPHENOS
PRESENT IN PCE 1, LARGE OL MICROPHENOS PRESENT UP
TO 2-3MM;
COMBINATION ( <5%)
Size(mm): 0.1-0.5
INCLUDES PLAG + OL IN PCE 2;
Leg : 49 Top/Bottom Interval(mm): 0/1310 Analyst: Zolotarev, B.
Hole: 411 Sample Midpoint (m) : 92.31
Core: 3 Top of Core Depth (m) : 91.00
Sect: 1 Top of Section Depth(m): 91.00
LITHOLOGY: PLAG-OL MOD MICROPHYRIC BASALT;
Piece No. : PCES 1 (4-7), 2 (10-13), 3 (15-20), 4 (23-27),
5 (30-35), 6 (37-41), 7 (44-50), 8 (53-58),
9 (62-65), 10 (70-75), 11 (79-84), 12 (85-90),
13 (93-105), 14 (108-112), 15 (115-118),
16 (121-125), 17 (128-130);
Texture : APHYRIC,PCE 7 HAS GLASS ZONE,FINE-GRAINED;
Vesicles : Size(mm): Percent: 10-15
Location: Filling: CARB,SMEC
PCES 6-7+13-17 CONTAIN MORE VESICLES THAN THE
REMAINING PCES,SOME VESICLES PARTLY FILLED BY
CARB & BLUE-GRAY MINERAL(SMEC?);
Phenocrysts: COMBINATION ( 5-7%)
Size(mm): 1-1.5
PLAG & OL,SIZE OF MICROPHENOS VARY FROM 0.3-0.5MM
TO 1-1.5MM,PCES 16+17 CONTAIN MORE OL MICROPHENOS
(ER PC%)
Size(mm): ES,OL & PL
Replacement: CARBONATE
SMECTITE
ID SMEC UNCERTAIN;
Leg : 49 Top/Bottom Interval(mm): 1310/1460 Analyst: Zolotarev, B.
Hole: 411 Sample Midpoint (m) : 92.46
Core: 3 Top of Core Depth (m) : 91.00
Sect: 1 Top of Section Depth(m): 92.31
LITHOLOGY: PLAG-OL MICROPHYRIC BASALT;
Piece No. : PCES 18 (134-139), 19 (142-146);
Texture : PHYRIC;
Structure : MARGIN BETWEEN TWO DIFFERENT UNITS BETWEEN PCES 17+
19;
Vesicles : Size(mm): Percent: 5-10
Phenocrysts: PLAGIOCLASE (15-20%)
Size(mm): 3-4
OLIVINE ( <1%)
Size(mm): 2-3
Leg : 49 Top/Bottom Interval(mm): 0/ 70 Analyst: Zolotarev, B.
Hole: 411 Sample Midpoint (m) : 100.57
Core: 4 Top of Core Depth (m) : 100.50
Sect: 1 Top of Section Depth(m): 100.50
LITHOLOGY: PLAG MOD MICROPHYRIC BASALT;
Piece No. : PCES 1 (3-7);
Texture : MOD PHYRIC,GLASSY,FINE-GRAINED;
Alteration : FRESH
Vesicles : Size(mm): 0.2-0.5 Percent: 5
VESICLES ARE EMPTY;
Phenocrysts: PLAGIOCLASE ( 2-3%)
Size(mm): 0.2-0.5
Leg : 49 Top/Bottom Interval(mm): 70/1220 Analyst: Zolotarev, B.
Hole: 411 Sample Midpoint (m) : 101.72
Core: 4 Top of Core Depth (m) : 100.50
Sect: 1 Top of Section Depth(m): 100.57
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCES 2 (10-13), 3 (16-23), 4 (26-30), 5 (34-40),
6 (42-48), 7 (50-55), 8A (59-60), 8B (60-70),
9 (74-80), 10 (83-86), 11 (91-96), 12 (100-104),
13 (108-114), 14 (117-122);
Texture : PHYRIC,PCE 5 HAS GLASS ZONE,FINE-GRAINED;
Vesicles : VESICLES DISTRIBUTED UNEVENLY,PCES 2-5+11+14 ARE
ENRICHED WITH VESICLES,SOME VESICLES PARTLY FILLED
BY DARK MINERAL,SOME VESICLE WALLS COVERED WITH
BLUE-GRAY MINERAL(SMEC),VESICULAR;
Phenocrysts: PLAGIOCLASE (10-20%)
Size(mm): 2-4
AMOUNT VARIES FROM 10% TO 15-20%,PCES 2+3 CONTAIN
FEWER PLAG PHENOS THAN OTHER PCES;
Groundmass : FINE-GRAINED GNDMASS;
Replacement: SMECTITE
ID SMEC UNCERTAIN;
Leg : 49 Top/Bottom Interval(mm): 0/ 50 Analyst: Zolotarev, B.
Hole: 411 Sample Midpoint (m) : 110.05
Core: 5 Top of Core Depth (m) : 110.00
Sect: 1 Top of Section Depth(m): 110.00
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCES 1 (3-5);
Texture : PHYRIC,FINE-GRAINED;
Alteration : SLIGHTLY
Vesicles : Size(mm): 0.1-0.3 Percent: 5-7
VESICLES ARE EMPTY;
Phenocrysts: PLAGIOCLASE ( 10%)
Size(mm): 1-3
OLIVINE
Size(mm): 1-1.5
Leg : 49 Top/Bottom Interval(mm): 50/ 300 Analyst: Zolotarev, B.
Hole: 411 Sample Midpoint (m) : 110.30
Core: 5 Top of Core Depth (m) : 110.00
Sect: 1 Top of Section Depth(m): 110.05
LITHOLOGY: OL-PLAG MOD PHYRIC BASALT;
Piece No. : PCES 2 (8-19), 3 (21-30);
Texture : MOD PHYRIC;
Structure : THERE IS A MARGIN BETWEEN TWO UNITS OF BASALT AT
PCES 1+2;
Alteration : SLIGHTLY
Vesicles : Size(mm): 0.2-0.8 Percent: 5-10
MOST VESICLES ARE EMPTY HOWEVER SOME VESICLE WALLS
COVERED WITH DARK MINERAL(SMEC?);
Phenocrysts: OLIVINE ( 5-7%)
Size(mm): 0.5-3
OL IS FRESH,SOME OL PHENOS CONTAIN SMALL DARK XTLS
WITH FINE OCTAHEDRIC FORM(SPINEL);
PLAGIOCLASE
Size(mm): 1-2
RARE PLAG PHENOS,PLAG IS FRESH;
SPINEL
Replacement: SMECTITE
ID SMEC UNCERTAIN;
Leg : 49 Top/Bottom Interval(mm): 0/ 100 Analyst: Zolotarev, B.
Hole: 411 Sample Midpoint (m) : 119.60
Core: 6 Top of Core Depth (m) : 119.50
Sect: 1 Top of Section Depth(m): 119.50
LITHOLOGY: OL-PLAG MOD PHYRIC BASALT;
Piece No. : PCE 1 (0-10);
Texture : MOD PHYRIC;
Comments : POSSIBLY RECOVERED ANYWHERE BETWEEN 81.5 & 119.5M
SUB-BOTTOM DEPTH,IT WAS IN CORE CATCHER AFTER
RAISING & LOWERING DRILL STRING IN HOLE SEVERAL
TIMES;
Vesicles : Size(mm): 0.4 Percent: 5-10
Location: Filling: SMEC
AVERAGING 0.4MM,SOME THIN RINDS OF SMEC LINE
VESICLE WALLS,VESICULAR;
Phenocrysts: OLIVINE ( 2-3%)
Size(mm): 1-2
POSSIBLE SPINEL INCLUSIONS IN OL;
PLAGIOCLASE
Size(mm): <1
RARE AMOUNT;
SPINEL
ID SPINEL UNCERTAIN;
Replacement: SMECTITE
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